com.hubspot.slack.client.concurrency

Interface MoreExecutors.ThreadPoolExecutorBuilder

Enclosing class:

MoreExecutors

public static interface MoreExecutors.ThreadPoolExecutorBuilder

Method Summary

Modifier and Type	Method and Description
CloseableExecutorService	build() Build the executor service.
MoreExecutors.ThreadPoolExecutorBuilder	clearBlockWhenFull() Disable block when full.
MoreExecutors.ThreadPoolExecutorBuilder	setBlockWhenFull(int backlogSize) Enable block when full.
MoreExecutors.ThreadPoolExecutorBuilder	setFair(boolean fair) If true, it will use a fair queue implementation for blockWhenFull.
MoreExecutors.ThreadPoolExecutorBuilder	setFixed(boolean fixed) Sets the queue to use a fixed set of threads.
MoreExecutors.ThreadPoolExecutorBuilder	setFollowThreadLocals(boolean followThreadLocals) Set whether or not to attempt to follow thread locals.
MoreExecutors.ThreadPoolExecutorBuilder	setKeepAlive(long keepAlive, TimeUnit timeUnit) Sets the keep alive time.
MoreExecutors.ThreadPoolExecutorBuilder	setMaxSize(int maxSize) Sets the max number of threads in the thread pool.
MoreExecutors.ThreadPoolExecutorBuilder	setShutdownTimeout(long timeout, TimeUnit timeUnit) Set the timeout for shutdown of this executor service Defaults to 30 seconds
MoreExecutors.ThreadPoolExecutorBuilder	setUnbounded(boolean unbounded) If unbounded, the thread pool will behave like newCachedThreadPool().
MoreExecutors.ThreadPoolExecutorBuilder	setWorkQueue(BlockingQueue<Runnable> workQueue) Sets the work queue, which defaults to a LinkedBlockingQueue unless blockWhenFull is true.

Method Detail

setMaxSize

MoreExecutors.ThreadPoolExecutorBuilder setMaxSize(int maxSize)

Sets the max number of threads in the thread pool. If blockWithNoQueue is true, this is the max number of items the service will hold. Any additional items will cause blocking.

Defaults to 20

setKeepAlive

MoreExecutors.ThreadPoolExecutorBuilder setKeepAlive(long keepAlive,
                                                     TimeUnit timeUnit)

Sets the keep alive time. After the keep alive time has passed, the thread pool will scale down the threads to the core size.

Defaults to 1 minutes.

setWorkQueue

MoreExecutors.ThreadPoolExecutorBuilder setWorkQueue(BlockingQueue<Runnable> workQueue)

Sets the work queue, which defaults to a LinkedBlockingQueue unless blockWhenFull is true.

DANGER! If you override the queue with blockWhenFull, be sure to set the capacity to coreSize + 1 if you value determinism.

setFixed

MoreExecutors.ThreadPoolExecutorBuilder setFixed(boolean fixed)

Sets the queue to use a fixed set of threads.

If true, the thread pool will not timeout threads.

setBlockWhenFull

MoreExecutors.ThreadPoolExecutorBuilder setBlockWhenFull(int backlogSize)

Enable block when full. This means that the executor service will block until there is room to actually run the task.

Parameters:

backlogSize - - The amount of pending tasks before blocking.

setUnbounded

MoreExecutors.ThreadPoolExecutorBuilder setUnbounded(boolean unbounded)

If unbounded, the thread pool will behave like newCachedThreadPool(). That is - 0 core size and infinite max size.

Defaults to false.

clearBlockWhenFull

MoreExecutors.ThreadPoolExecutorBuilder clearBlockWhenFull()

Disable block when full. This will enable the unbounded queue with no blocking.

setFair

MoreExecutors.ThreadPoolExecutorBuilder setFair(boolean fair)

If true, it will use a fair queue implementation for blockWhenFull.

setFollowThreadLocals

MoreExecutors.ThreadPoolExecutorBuilder setFollowThreadLocals(boolean followThreadLocals)

Set whether or not to attempt to follow thread locals. (Default: TRUE)

setShutdownTimeout

MoreExecutors.ThreadPoolExecutorBuilder setShutdownTimeout(long timeout,
                                                           TimeUnit timeUnit)

Set the timeout for shutdown of this executor service Defaults to 30 seconds

build

CloseableExecutorService build()

Build the executor service.